2023 BMW 3 Series 2.0 320i M Sport

Price: £29,890. Fair price: £338 (1%) over the AskCar estimate of £29,552, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,902 priced BMW 3 Series adverts on AskCar as of 6 November 2026.

AskCar lists 7,204 used BMW 3 Series from 2,726 UK dealerships, as of 6 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 5dr Touring (181 bhp)
  • Year: 2023
  • Mileage: 21,781 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 153 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 3 Series M Sport has covered 21,781 miles, around 12,900 fewer miles than is typical for its age. Priced at £29,890, it is advertised £338 above the AskCar estimate of £29,552. The AskCar estimate uses UK dealer asking prices, including 6,902 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 36 days ago. Its asking price has since fallen by £400. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Stratstone BMW Maidstone in Aylesford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £338 (1%) over the AskCar estimate of £29,552.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2023 BMW 3 Series with the 2.0 petrol engine is typically advertised at £25,000: the median of the 387 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 BMW 3 Series has been on sale for at least 36 days.

Price history

AskCar first saw this advert on 1 October 2026 at £30,290. Its asking price is now £29,890, £400 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 1 October 2026: £30,290
  • 9 October 2026: £30,690
  • 15 October 2026: £30,590
  • 23 October 2026: £29,990
  • 5 November 2026: £29,890

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 12 May 2027.

It failed its MOT on 17 April 2026 (nearside front tyre has a bulge, caused by separation or partial failure of its structure) and passed later the same day.

Advisories at the latest test: nearside front suspension arm ball joint has slight play lower control arm.

Mileage at that test: 19,336 miles, which matches the advertised 21,781 miles.

Advertised mileage is about 12,900 miles lower than the median mileage of a 2023 BMW 3 Series on AskCar.

Similar cars

28 other 2023 BMW 3 Series M Sport 2.0 petrol automatic estates are for sale at UK dealers, from £24,390 to £34,687, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 3 Series M Sport, 2.0 petrol estate, white. Mileage: 22,042 miles. Price: £27,995, £1,895 less than this car. Dealer: Park's Motor Group Douglas Park BMW Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-f1720e0ea2b3
  • 2023 BMW 3 Series M Sport, 2.0 petrol estate, grey. Mileage: 22,629 miles. Price: £30,998, £1,108 more than this car. Dealer: Arnold Clark Ayr Peugeot in Prestwick. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-b6cd3a4eb16e
  • 2023 BMW 3 Series M Sport, 2.0 petrol estate, blue. Mileage: 23,114 miles. Price: £29,500, £390 less than this car. Dealer: Sytner Nottingham BMW in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-7b72a0bbf8ba
  • The nearest: 2023 BMW 3 Series M Sport, 2.0 petrol estate, grey, 4 miles from this car. Mileage: 43,184 miles. Price: £24,390, £5,500 less than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-9fa90e37f550

Browse all BMW 3 Series cars for sale · 2023 BMW 3 Series price guide

More like this

Photos

40 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.